Information on GNC in Fairfax, VA 22032 Outlet Note Regular Brands GNC Virginia Fairfax 326715 Rating 4.7 based on 97 votes Address Twinbrooke Centre, 9579 Braddock Road Fairfax, VA 22032 Phone Hours may vary in different stores. For accurate hours, please contact each store directly. Suite643 Hours may vary in different stores. For accurate hours, please contact each store directly. Nearby GNC Outlet GNC Outlet - Fairfax GNC Outlet - Fairfax GNC Outlet - Fairfax GNC Outlet - Fairfax People Also Viewed